Determining efficiencies of different tillage systems in vetch - corn - wheat rotation

In Middle Anatolia, the periods necessary for tillage in the applied crop rotation for irrigated farming are relatively very short. Particularly, in systems yielding to three crops within each two years such as vetch-silage corn-wheat rotation, owing to climatological conditions these periods become more significant. By means of the tillage and seedbed preparation systems applied in this study, a solution on this issue was sought. In the first two years of the study, data concerning tillage and related management respects were assessed as well as yield tests were conducted. In the ensuing two-year yield tests will be continued. Concealing the further effects of yield test results, the cultivation of wheat or vetch stubble with one pass of rotary tiller was found sufficient. However, for corn stubble, deep plowing should be fulfilled previously to turn furrow slice and bury the stubble. Afterwards, seedbed can be prepared either with conventional system or rotary tiller.